New York Post columnist Steve Cuozzo, proponent of birther-style conspiracy theories about the growth of cycling in New York, might want to check out this YouTube clip that NYC DOT posted earlier this week, along with other information on how it conducts bike counts. It’s a time-lapse video of cyclists on the Brooklyn approach to the Manhattan Bridge during the morning rush last May. Real people riding real bikes — see for yourself, Steve.

Last year, the city counted 2,984 cyclists per day on the Manhattan Bridge, compared to 2,606 in 2009 and 2,210 in 2008, the last full year before the Sands Street bike path was built. Those counts come from averaging the number of cyclists using the bridge between 7 a.m and 7 p.m. on six days between April and October. Back in 2005 (when the city got its numbers from a single day’s observation instead of six, making comparisons to today somewhat indirect), 829 cyclists were counted on the Manhattan Bridge [PDF].

After the jump, bonus time-lapse footage from Tracy Collins, showing bike and car traffic over the Vanderbilt rail yard on Sixth Avenue in Brooklyn last August. By my count there are about 30 bikes and 80 motor vehicles headed toward Park Slope over the course of about 30 light cycles: